1. When a person's nationality, ethnicity or accent acts as a filter and obstructs the traits of said person's real personality and attributes

2. When someone with a different accent or nationality is seen as exotic to another person, in turn filtering out other personal qualities, or lack thereof.

3. See International Filter
A semi-ugly annoying British guy who always has a runny nose and wears high pants getting together with a hot, gorgeous Australian girl.

Sam: "I can't believe I didn't notice what a boring, uninteresting silly buns Mike is"
Peter: "well, how could you have known, what with the ethnic filter?"
by Daphne750 April 1, 2010
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